Question

calcule x em cada caso

Answer 1

a) c.o/x = senO° ------> 2/x = sen30° ----->>>  2/x = 1/2 ----> x = 4
b) x/4 = sen45° -----> x/4 = √2/2 -----> x = (4√2)/2 ---> x = 2√2
c) c.o/h = senO° ----> 9/x = sen60° ----> 9/x = √3/2 ----> x√3 = 18 --> x = 18/√3
----> x = 18√3/3 ----> x = 6√3